/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.absence.of.data.races.in.concurrent.programs true --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false -i ../../../trunk/examples/svcomp/goblint-regression/06-symbeq_09-tricky_address4.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-16 09:42:46,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-16 09:42:46,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-16 09:42:46,629 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-16 09:42:46,630 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-16 09:42:46,632 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-16 09:42:46,635 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-16 09:42:46,640 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-16 09:42:46,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-16 09:42:46,646 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-16 09:42:46,647 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-16 09:42:46,648 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-16 09:42:46,648 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-16 09:42:46,650 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-16 09:42:46,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-16 09:42:46,654 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-16 09:42:46,655 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-16 09:42:46,656 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-16 09:42:46,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-16 09:42:46,663 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-16 09:42:46,664 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-16 09:42:46,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-16 09:42:46,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-16 09:42:46,668 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-16 09:42:46,674 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-16 09:42:46,674 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-16 09:42:46,674 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-16 09:42:46,676 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-16 09:42:46,676 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-16 09:42:46,677 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-16 09:42:46,677 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-16 09:42:46,677 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-16 09:42:46,679 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-16 09:42:46,680 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-16 09:42:46,681 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-16 09:42:46,681 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-16 09:42:46,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-16 09:42:46,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-16 09:42:46,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-16 09:42:46,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-16 09:42:46,683 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-16 09:42:46,684 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithDepranks-Lazy.epf [2022-02-16 09:42:46,713 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-16 09:42:46,714 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-16 09:42:46,714 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-16 09:42:46,714 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-16 09:42:46,715 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-16 09:42:46,715 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-16 09:42:46,716 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-16 09:42:46,716 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-16 09:42:46,716 INFO L138 SettingsManager]: * Use SBE=true [2022-02-16 09:42:46,716 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-16 09:42:46,717 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-16 09:42:46,717 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-16 09:42:46,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-16 09:42:46,717 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-16 09:42:46,717 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-16 09:42:46,717 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-16 09:42:46,718 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-16 09:42:46,718 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-16 09:42:46,718 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-16 09:42:46,718 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-16 09:42:46,718 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-16 09:42:46,718 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-16 09:42:46,718 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-16 09:42:46,718 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-16 09:42:46,719 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-16 09:42:46,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 09:42:46,719 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-16 09:42:46,719 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-16 09:42:46,719 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-16 09:42:46,719 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-16 09:42:46,719 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-16 09:42:46,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-16 09:42:46,720 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-16 09:42:46,720 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-16 09:42:46,720 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-16 09:42:46,720 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-16 09:42:46,720 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of data races in concurrent programs -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false [2022-02-16 09:42:46,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-16 09:42:46,967 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-16 09:42:46,969 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-16 09:42:46,970 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-16 09:42:46,970 INFO L275 PluginConnector]: CDTParser initialized [2022-02-16 09:42:46,971 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/06-symbeq_09-tricky_address4.i [2022-02-16 09:42:47,036 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e3aba516/520c638b3c3c4a0fa18f25fc15c7038a/FLAGcc332638e [2022-02-16 09:42:47,470 INFO L306 CDTParser]: Found 1 translation units. [2022-02-16 09:42:47,475 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/06-symbeq_09-tricky_address4.i [2022-02-16 09:42:47,503 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e3aba516/520c638b3c3c4a0fa18f25fc15c7038a/FLAGcc332638e [2022-02-16 09:42:47,825 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3e3aba516/520c638b3c3c4a0fa18f25fc15c7038a [2022-02-16 09:42:47,828 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-16 09:42:47,829 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-16 09:42:47,832 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-16 09:42:47,833 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-16 09:42:47,835 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-16 09:42:47,836 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 09:42:47" (1/1) ... [2022-02-16 09:42:47,837 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd1cceb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:42:47, skipping insertion in model container [2022-02-16 09:42:47,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.02 09:42:47" (1/1) ... [2022-02-16 09:42:47,843 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-16 09:42:47,886 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-16 09:42:48,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 09:42:48,265 INFO L203 MainTranslator]: Completed pre-run [2022-02-16 09:42:48,326 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-16 09:42:48,363 INFO L208 MainTranslator]: Completed translation [2022-02-16 09:42:48,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:42:48 WrapperNode [2022-02-16 09:42:48,364 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-16 09:42:48,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-16 09:42:48,365 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-16 09:42:48,365 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-16 09:42:48,370 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:42:48" (1/1) ... [2022-02-16 09:42:48,392 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:42:48" (1/1) ... [2022-02-16 09:42:48,434 INFO L137 Inliner]: procedures = 264, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2022-02-16 09:42:48,434 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-16 09:42:48,435 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-16 09:42:48,436 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-16 09:42:48,436 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-16 09:42:48,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:42:48" (1/1) ... [2022-02-16 09:42:48,443 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:42:48" (1/1) ... [2022-02-16 09:42:48,458 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:42:48" (1/1) ... [2022-02-16 09:42:48,458 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:42:48" (1/1) ... [2022-02-16 09:42:48,465 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:42:48" (1/1) ... [2022-02-16 09:42:48,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:42:48" (1/1) ... [2022-02-16 09:42:48,486 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:42:48" (1/1) ... [2022-02-16 09:42:48,488 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-16 09:42:48,489 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-16 09:42:48,489 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-16 09:42:48,489 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-16 09:42:48,493 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:42:48" (1/1) ... [2022-02-16 09:42:48,503 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 09:42:48,514 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 09:42:48,524 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-16 09:42:48,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-16 09:42:48,552 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-16 09:42:48,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-16 09:42:48,552 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-02-16 09:42:48,553 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-16 09:42:48,553 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-16 09:42:48,553 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-16 09:42:48,553 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-16 09:42:48,553 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-16 09:42:48,553 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-16 09:42:48,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-16 09:42:48,554 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-16 09:42:48,658 INFO L234 CfgBuilder]: Building ICFG [2022-02-16 09:42:48,659 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-16 09:42:48,899 INFO L275 CfgBuilder]: Performing block encoding [2022-02-16 09:42:48,914 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-16 09:42:48,914 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-02-16 09:42:48,916 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 09:42:48 BoogieIcfgContainer [2022-02-16 09:42:48,916 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-16 09:42:48,917 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-16 09:42:48,918 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-16 09:42:48,922 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-16 09:42:48,922 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.02 09:42:47" (1/3) ... [2022-02-16 09:42:48,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b0df390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 09:42:48, skipping insertion in model container [2022-02-16 09:42:48,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.02 09:42:48" (2/3) ... [2022-02-16 09:42:48,924 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b0df390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 09:42:48, skipping insertion in model container [2022-02-16 09:42:48,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 09:42:48" (3/3) ... [2022-02-16 09:42:48,926 INFO L111 eAbstractionObserver]: Analyzing ICFG 06-symbeq_09-tricky_address4.i [2022-02-16 09:42:48,932 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-16 09:42:48,932 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-16 09:42:48,932 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2022-02-16 09:42:48,932 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-16 09:42:48,979 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,980 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,980 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,980 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,980 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,981 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,981 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,981 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,981 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,982 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,982 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,983 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,983 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,983 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,983 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,983 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,984 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,984 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,988 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,989 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,990 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,991 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,992 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,992 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,992 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,992 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,992 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,992 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,993 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,993 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,993 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,993 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,993 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,993 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,993 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,994 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,995 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,995 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,995 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,995 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,996 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,996 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,996 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,997 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,997 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,997 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,998 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,998 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,999 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,999 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:48,999 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,000 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,000 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,000 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,000 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,001 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,001 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,001 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,001 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,001 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,001 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,002 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,002 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,012 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,012 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,013 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,013 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,013 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,013 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,014 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,014 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,014 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,014 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,014 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,015 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,015 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,015 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,016 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,016 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,016 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,017 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,019 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,019 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,020 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,020 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,020 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,020 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,021 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,022 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post34#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~post32#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,025 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet31#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet30#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet35#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~i~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_~p~0#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,026 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,027 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,027 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~mem33#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-16 09:42:49,029 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-16 09:42:49,070 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-16 09:42:49,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 09:42:49,072 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-16 09:42:49,073 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-16 09:42:49,095 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-16 09:42:49,100 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-16 09:42:49,100 INFO L340 AbstractCegarLoop]: Starting to check reachability of 7 error locations. [2022-02-16 09:42:49,142 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 52 transitions and produced 53 states. [2022-02-16 09:42:49,144 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-16 09:42:49,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 09:42:49,149 INFO L85 PathProgramCache]: Analyzing trace with hash -2089604840, now seen corresponding path program 1 times [2022-02-16 09:42:49,156 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 09:42:49,156 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276759684] [2022-02-16 09:42:49,156 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 09:42:49,157 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 09:42:49,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 09:42:49,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 09:42:49,331 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 09:42:49,331 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276759684] [2022-02-16 09:42:49,332 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276759684] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 09:42:49,332 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 09:42:49,332 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-02-16 09:42:49,333 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747237614] [2022-02-16 09:42:49,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 09:42:49,337 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-02-16 09:42:49,338 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 09:42:49,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-02-16 09:42:49,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-02-16 09:42:49,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:42:49,358 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 09:42:49,359 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.0) internal successors, (38), 2 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 09:42:49,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:42:49,372 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 52 transitions and produced 53 states. [2022-02-16 09:42:49,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:42:49,373 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-16 09:42:49,374 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-16 09:42:49,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 09:42:49,374 INFO L85 PathProgramCache]: Analyzing trace with hash 900925616, now seen corresponding path program 1 times [2022-02-16 09:42:49,375 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 09:42:49,375 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1656275286] [2022-02-16 09:42:49,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 09:42:49,375 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 09:42:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 09:42:49,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 09:42:49,432 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 09:42:49,432 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1656275286] [2022-02-16 09:42:49,433 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1656275286] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 09:42:49,433 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 09:42:49,433 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-16 09:42:49,433 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1835811718] [2022-02-16 09:42:49,433 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 09:42:49,434 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-16 09:42:49,434 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 09:42:49,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-16 09:42:49,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-16 09:42:49,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:42:49,439 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 09:42:49,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 3 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 09:42:49,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:42:49,440 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:42:49,486 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 59 transitions and produced 60 states. [2022-02-16 09:42:49,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:42:49,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 09:42:49,487 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-16 09:42:49,487 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-16 09:42:49,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 09:42:49,488 INFO L85 PathProgramCache]: Analyzing trace with hash 438260885, now seen corresponding path program 1 times [2022-02-16 09:42:49,488 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 09:42:49,490 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777706100] [2022-02-16 09:42:49,491 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 09:42:49,491 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 09:42:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 09:42:49,608 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 09:42:49,608 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 09:42:49,609 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777706100] [2022-02-16 09:42:49,609 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777706100] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 09:42:49,609 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1893377107] [2022-02-16 09:42:49,609 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 09:42:49,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 09:42:49,610 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 09:42:49,611 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 09:42:49,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-02-16 09:42:49,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 09:42:49,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 4 conjunts are in the unsatisfiable core [2022-02-16 09:42:49,722 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 09:42:49,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 09:42:49,892 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 09:42:50,001 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 09:42:50,006 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1893377107] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 09:42:50,009 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 09:42:50,009 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2022-02-16 09:42:50,010 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670462605] [2022-02-16 09:42:50,010 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 09:42:50,013 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-02-16 09:42:50,014 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 09:42:50,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-02-16 09:42:50,015 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2022-02-16 09:42:50,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:42:50,015 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 09:42:50,015 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 5.4) internal successors, (54), 10 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 09:42:50,015 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:42:50,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 09:42:50,016 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:42:50,116 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 73 transitions and produced 74 states. [2022-02-16 09:42:50,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:42:50,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 09:42:50,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 09:42:50,140 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-02-16 09:42:50,339 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2 [2022-02-16 09:42:50,340 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-16 09:42:50,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 09:42:50,340 INFO L85 PathProgramCache]: Analyzing trace with hash 432939381, now seen corresponding path program 2 times [2022-02-16 09:42:50,341 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 09:42:50,341 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092454734] [2022-02-16 09:42:50,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 09:42:50,341 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 09:42:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 09:42:50,466 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 09:42:50,466 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 09:42:50,466 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092454734] [2022-02-16 09:42:50,466 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092454734] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 09:42:50,467 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [36745226] [2022-02-16 09:42:50,467 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-16 09:42:50,467 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 09:42:50,467 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 09:42:50,468 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 09:42:50,483 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-02-16 09:42:50,566 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-16 09:42:50,567 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 09:42:50,568 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 17 conjunts are in the unsatisfiable core [2022-02-16 09:42:50,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 09:42:50,691 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-02-16 09:42:50,727 INFO L353 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2022-02-16 09:42:50,727 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2022-02-16 09:42:50,773 INFO L353 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2022-02-16 09:42:50,774 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 42 [2022-02-16 09:42:50,841 INFO L353 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2022-02-16 09:42:50,842 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 57 [2022-02-16 09:42:50,869 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-02-16 09:42:50,870 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-16 09:42:50,870 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [36745226] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 09:42:50,870 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-16 09:42:50,870 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 13 [2022-02-16 09:42:50,870 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59171263] [2022-02-16 09:42:50,871 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 09:42:50,871 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-16 09:42:50,871 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 09:42:50,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-16 09:42:50,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2022-02-16 09:42:50,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:42:50,873 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 09:42:50,874 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.4) internal successors, (42), 6 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 09:42:50,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:42:50,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 09:42:50,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-16 09:42:50,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:42:50,946 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 89 transitions and produced 90 states. [2022-02-16 09:42:50,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:42:50,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 09:42:50,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 09:42:50,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-16 09:42:50,978 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-02-16 09:42:51,163 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 09:42:51,164 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-16 09:42:51,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 09:42:51,164 INFO L85 PathProgramCache]: Analyzing trace with hash 491733010, now seen corresponding path program 1 times [2022-02-16 09:42:51,164 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 09:42:51,164 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939750384] [2022-02-16 09:42:51,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 09:42:51,165 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 09:42:51,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 09:42:51,248 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 09:42:51,248 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 09:42:51,248 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939750384] [2022-02-16 09:42:51,248 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1939750384] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 09:42:51,248 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1007915560] [2022-02-16 09:42:51,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 09:42:51,249 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 09:42:51,249 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 09:42:51,250 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 09:42:51,267 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2022-02-16 09:42:51,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 09:42:51,332 INFO L263 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 8 conjunts are in the unsatisfiable core [2022-02-16 09:42:51,334 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 09:42:51,445 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 09:42:51,445 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 09:42:51,618 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 09:42:51,619 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1007915560] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 09:42:51,619 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 09:42:51,619 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 18 [2022-02-16 09:42:51,619 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972163046] [2022-02-16 09:42:51,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 09:42:51,620 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-16 09:42:51,620 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 09:42:51,620 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-16 09:42:51,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2022-02-16 09:42:51,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:42:51,621 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 09:42:51,621 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 4.555555555555555) internal successors, (82), 18 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 09:42:51,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:42:51,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 09:42:51,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-16 09:42:51,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-16 09:42:51,622 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:42:51,800 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 117 transitions and produced 110 states. [2022-02-16 09:42:51,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:42:51,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 09:42:51,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 09:42:51,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-16 09:42:51,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-16 09:42:51,819 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2022-02-16 09:42:52,007 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 09:42:52,008 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-16 09:42:52,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 09:42:52,008 INFO L85 PathProgramCache]: Analyzing trace with hash 656757202, now seen corresponding path program 2 times [2022-02-16 09:42:52,008 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 09:42:52,008 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034937400] [2022-02-16 09:42:52,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 09:42:52,009 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 09:42:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 09:42:52,201 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 09:42:52,201 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 09:42:52,201 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034937400] [2022-02-16 09:42:52,202 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1034937400] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 09:42:52,202 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [708180320] [2022-02-16 09:42:52,202 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2022-02-16 09:42:52,202 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 09:42:52,202 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 09:42:52,203 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 09:42:52,208 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2022-02-16 09:42:52,280 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2022-02-16 09:42:52,280 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-02-16 09:42:52,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 17 conjunts are in the unsatisfiable core [2022-02-16 09:42:52,293 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 09:42:52,392 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2022-02-16 09:42:52,423 INFO L353 Elim1Store]: treesize reduction 39, result has 22.0 percent of original size [2022-02-16 09:42:52,423 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 27 [2022-02-16 09:42:52,466 INFO L353 Elim1Store]: treesize reduction 96, result has 20.0 percent of original size [2022-02-16 09:42:52,466 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 40 treesize of output 42 [2022-02-16 09:42:52,520 INFO L353 Elim1Store]: treesize reduction 172, result has 17.3 percent of original size [2022-02-16 09:42:52,521 INFO L387 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 52 treesize of output 57 [2022-02-16 09:42:52,547 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2022-02-16 09:42:52,548 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-02-16 09:42:52,548 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [708180320] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 09:42:52,548 INFO L191 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-02-16 09:42:52,548 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [17] total 21 [2022-02-16 09:42:52,548 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37699274] [2022-02-16 09:42:52,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 09:42:52,549 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-16 09:42:52,549 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 09:42:52,549 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-16 09:42:52,550 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2022-02-16 09:42:52,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:42:52,550 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 09:42:52,550 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.0) internal successors, (50), 6 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 09:42:52,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:42:52,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 09:42:52,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-16 09:42:52,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-16 09:42:52,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-16 09:42:52,550 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:42:52,637 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 162 transitions and produced 155 states. [2022-02-16 09:42:52,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:42:52,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 09:42:52,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 09:42:52,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-16 09:42:52,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-16 09:42:52,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-16 09:42:52,659 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2022-02-16 09:42:52,851 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 09:42:52,852 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-16 09:42:52,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 09:42:52,852 INFO L85 PathProgramCache]: Analyzing trace with hash 2029889388, now seen corresponding path program 1 times [2022-02-16 09:42:52,852 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 09:42:52,852 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445338147] [2022-02-16 09:42:52,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 09:42:52,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 09:42:52,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 09:42:53,017 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 09:42:53,017 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 09:42:53,017 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445338147] [2022-02-16 09:42:53,017 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445338147] provided 0 perfect and 1 imperfect interpolant sequences [2022-02-16 09:42:53,018 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [615194394] [2022-02-16 09:42:53,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 09:42:53,018 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 09:42:53,018 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 09:42:53,020 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-02-16 09:42:53,028 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2022-02-16 09:42:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 09:42:53,129 INFO L263 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 16 conjunts are in the unsatisfiable core [2022-02-16 09:42:53,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-02-16 09:42:53,324 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 09:42:53,324 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-02-16 09:42:53,570 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 09:42:53,571 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleZ3 [615194394] provided 0 perfect and 2 imperfect interpolant sequences [2022-02-16 09:42:53,571 INFO L191 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-02-16 09:42:53,571 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17, 17] total 23 [2022-02-16 09:42:53,571 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241328075] [2022-02-16 09:42:53,571 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-02-16 09:42:53,572 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2022-02-16 09:42:53,572 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 09:42:53,573 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2022-02-16 09:42:53,573 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=143, Invalid=363, Unknown=0, NotChecked=0, Total=506 [2022-02-16 09:42:53,573 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:42:53,574 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 09:42:53,574 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 23 states have (on average 5.608695652173913) internal successors, (129), 23 states have internal predecessors, (129), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 09:42:53,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:42:53,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 09:42:53,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-16 09:42:53,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-16 09:42:53,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-16 09:42:53,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-16 09:42:53,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:42:53,859 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 182 transitions and produced 170 states. [2022-02-16 09:42:53,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:42:53,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 09:42:53,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 09:42:53,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-16 09:42:53,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-16 09:42:53,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-16 09:42:53,861 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-16 09:42:53,889 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2022-02-16 09:42:54,071 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-02-16 09:42:54,072 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-16 09:42:54,072 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 09:42:54,072 INFO L85 PathProgramCache]: Analyzing trace with hash -434538105, now seen corresponding path program 2 times [2022-02-16 09:42:54,072 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 09:42:54,072 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1677725787] [2022-02-16 09:42:54,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 09:42:54,073 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 09:42:54,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 09:42:54,240 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-16 09:42:54,240 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 09:42:54,240 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1677725787] [2022-02-16 09:42:54,240 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1677725787] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 09:42:54,240 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 09:42:54,240 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-16 09:42:54,240 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123649099] [2022-02-16 09:42:54,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 09:42:54,241 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-16 09:42:54,241 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 09:42:54,242 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-16 09:42:54,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-16 09:42:54,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:42:54,244 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 09:42:54,244 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 16.4) internal successors, (82), 6 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 09:42:54,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:42:54,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 09:42:54,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-16 09:42:54,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-16 09:42:54,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-16 09:42:54,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-16 09:42:54,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-16 09:42:54,244 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:42:54,316 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 190 transitions and produced 178 states. [2022-02-16 09:42:54,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:42:54,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 09:42:54,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 09:42:54,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-16 09:42:54,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-16 09:42:54,316 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-16 09:42:54,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-16 09:42:54,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-16 09:42:54,317 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-16 09:42:54,317 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-16 09:42:54,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 09:42:54,318 INFO L85 PathProgramCache]: Analyzing trace with hash 1612867724, now seen corresponding path program 1 times [2022-02-16 09:42:54,318 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 09:42:54,318 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [339507012] [2022-02-16 09:42:54,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 09:42:54,318 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 09:42:54,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 09:42:54,421 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2022-02-16 09:42:54,422 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 09:42:54,422 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [339507012] [2022-02-16 09:42:54,422 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [339507012] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 09:42:54,422 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 09:42:54,422 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-16 09:42:54,422 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838754587] [2022-02-16 09:42:54,422 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 09:42:54,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-16 09:42:54,423 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 09:42:54,423 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-16 09:42:54,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-02-16 09:42:54,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:42:54,424 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 09:42:54,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 18.0) internal successors, (90), 6 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-02-16 09:42:54,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:42:54,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 09:42:54,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2022-02-16 09:42:54,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-16 09:42:54,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2022-02-16 09:42:54,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-16 09:42:54,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2022-02-16 09:42:54,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2022-02-16 09:42:54,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:42:54,773 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 5308 transitions and produced 3235 states. [2022-02-16 09:42:54,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 09:42:54,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 09:42:54,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-02-16 09:42:54,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-16 09:42:54,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2022-02-16 09:42:54,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-16 09:42:54,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2022-02-16 09:42:54,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-16 09:42:54,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-02-16 09:42:54,774 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-16 09:42:54,774 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATION (and 4 more)] === [2022-02-16 09:42:54,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 09:42:54,775 INFO L85 PathProgramCache]: Analyzing trace with hash 723428963, now seen corresponding path program 1 times [2022-02-16 09:42:54,775 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 09:42:54,775 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617718370] [2022-02-16 09:42:54,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 09:42:54,775 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 09:42:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-16 09:42:54,807 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-02-16 09:42:54,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-02-16 09:42:54,905 INFO L138 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-02-16 09:42:54,905 INFO L628 BasicCegarLoop]: Counterexample is feasible [2022-02-16 09:42:54,906 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 7 remaining) [2022-02-16 09:42:54,908 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (5 of 7 remaining) [2022-02-16 09:42:54,908 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION (4 of 7 remaining) [2022-02-16 09:42:54,908 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 7 remaining) [2022-02-16 09:42:54,908 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 7 remaining) [2022-02-16 09:42:54,908 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 7 remaining) [2022-02-16 09:42:54,909 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 7 remaining) [2022-02-16 09:42:54,909 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-16 09:42:54,918 INFO L732 BasicCegarLoop]: Path program histogram: [2, 2, 2, 1, 1, 1, 1] [2022-02-16 09:42:54,923 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-16 09:42:54,923 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-16 09:42:54,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.02 09:42:54 BasicIcfg [2022-02-16 09:42:54,978 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-16 09:42:54,978 INFO L158 Benchmark]: Toolchain (without parser) took 7149.18ms. Allocated memory was 185.6MB in the beginning and 237.0MB in the end (delta: 51.4MB). Free memory was 133.8MB in the beginning and 180.7MB in the end (delta: -46.9MB). Peak memory consumption was 123.7MB. Max. memory is 8.0GB. [2022-02-16 09:42:54,979 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 185.6MB. Free memory was 152.0MB in the beginning and 151.9MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-16 09:42:54,982 INFO L158 Benchmark]: CACSL2BoogieTranslator took 531.28ms. Allocated memory is still 185.6MB. Free memory was 133.6MB in the beginning and 143.5MB in the end (delta: -9.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-02-16 09:42:54,983 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.02ms. Allocated memory is still 185.6MB. Free memory was 143.5MB in the beginning and 140.8MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-02-16 09:42:54,983 INFO L158 Benchmark]: Boogie Preprocessor took 52.59ms. Allocated memory is still 185.6MB. Free memory was 140.8MB in the beginning and 138.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-16 09:42:54,984 INFO L158 Benchmark]: RCFGBuilder took 427.54ms. Allocated memory is still 185.6MB. Free memory was 138.7MB in the beginning and 123.6MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. [2022-02-16 09:42:54,984 INFO L158 Benchmark]: TraceAbstraction took 6060.60ms. Allocated memory was 185.6MB in the beginning and 237.0MB in the end (delta: 51.4MB). Free memory was 123.3MB in the beginning and 180.7MB in the end (delta: -57.4MB). Peak memory consumption was 113.5MB. Max. memory is 8.0GB. [2022-02-16 09:42:54,985 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 185.6MB. Free memory was 152.0MB in the beginning and 151.9MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 531.28ms. Allocated memory is still 185.6MB. Free memory was 133.6MB in the beginning and 143.5MB in the end (delta: -9.9MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 70.02ms. Allocated memory is still 185.6MB. Free memory was 143.5MB in the beginning and 140.8MB in the end (delta: 2.7MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 52.59ms. Allocated memory is still 185.6MB. Free memory was 140.8MB in the beginning and 138.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 427.54ms. Allocated memory is still 185.6MB. Free memory was 138.7MB in the beginning and 123.6MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 8.0GB. * TraceAbstraction took 6060.60ms. Allocated memory was 185.6MB in the beginning and 237.0MB in the end (delta: 51.4MB). Free memory was 123.3MB in the beginning and 180.7MB in the end (delta: -57.4MB). Peak memory consumption was 113.5MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - DataRaceFoundResult [Line: 944]: Data race detected Data race detected The following path leads to a data race: [L922-L925] 0 struct s { int datum; pthread_mutex_t mutex; } a[10]; VAL [a={1:0}] [L937] 0 int i = 0; VAL [a={1:0}, i=0] [L937] COND TRUE 0 i < 10 VAL [a={1:0}, i=0] [L937] 0 i++ VAL [a={1:0}, i=1] [L937] COND TRUE 0 i < 10 VAL [a={1:0}, i=1] [L937] 0 i++ VAL [a={1:0}, i=2] [L937] COND TRUE 0 i < 10 VAL [a={1:0}, i=2] [L937] 0 i++ VAL [a={1:0}, i=3] [L937] COND TRUE 0 i < 10 VAL [a={1:0}, i=3] [L937] 0 i++ VAL [a={1:0}, i=4] [L937] COND TRUE 0 i < 10 VAL [a={1:0}, i=4] [L937] 0 i++ VAL [a={1:0}, i=5] [L937] COND TRUE 0 i < 10 VAL [a={1:0}, i=5] [L937] 0 i++ VAL [a={1:0}, i=6] [L937] COND TRUE 0 i < 10 VAL [a={1:0}, i=6] [L937] 0 i++ VAL [a={1:0}, i=7] [L937] COND TRUE 0 i < 10 VAL [a={1:0}, i=7] [L937] 0 i++ VAL [a={1:0}, i=8] [L937] COND TRUE 0 i < 10 VAL [a={1:0}, i=8] [L937] 0 i++ VAL [a={1:0}, i=9] [L937] COND TRUE 0 i < 10 VAL [a={1:0}, i=9] [L937] 0 i++ VAL [a={1:0}, i=10] [L937] COND FALSE 0 !(i < 10) VAL [a={1:0}, i=10] [L939] 0 int i = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=9, a={1:0}, i=10, i=9] [L940] CALL 0 assume_abort_if_not(0 <= i && i < 10) [L11] COND FALSE 0 !(!cond) VAL [\old(cond)=1, a={1:0}, cond=1] [L940] RET 0 assume_abort_if_not(0 <= i && i < 10) [L941] 0 pthread_t t1; VAL [a={1:0}, i=9, i=10, t1={2:0}] [L942] FCALL, FORK 0 pthread_create(&t1, ((void *)0), t_fun, ((void *)0)) VAL [a={1:0}, i=10, i=9, pthread_create(&t1, ((void *)0), t_fun, ((void *)0))=-1, t1={2:0}] [L944] EXPR 0 a[i].datum VAL [a={1:0}, a[i].datum=0, i=9, i=10, t1={2:0}] [L944] 0 a[i].datum++ VAL [a={1:0}, a[i].datum=0, a[i].datum++=0, a[i].datum++=281, i=10, i=9, t1={2:0}] [L927] 1 int i = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=8, a={1:0}, arg={0:0}, arg={0:0}, i=8] [L928] CALL 1 assume_abort_if_not(0 <= i && i < 9) [L11] COND FALSE 1 !(!cond) VAL [\old(cond)=1, \old(cond)=1, a={1:0}, cond=1, cond=1] [L928] RET 1 assume_abort_if_not(0 <= i && i < 9) [L929] 1 struct s *p = &a[i]; VAL [a={1:0}, arg={0:0}, arg={0:0}, i=8, p={1:224}] [L931] 1 i++ VAL [a={1:0}, arg={0:0}, arg={0:0}, i=9, p={1:224}] [L932] EXPR 1 a[i].datum VAL [a={1:0}, a[i].datum=1, arg={0:0}, arg={0:0}, i=9, p={1:224}] [L932] 1 a[i].datum++ VAL [a={1:0}, a[i].datum=1, arg={0:0}, arg={0:0}, i=9, p={1:224}] [L944] 0 a[i].datum++ VAL [a={1:0}, a[i].datum=0, a[i].datum++=281, a[i].datum++=0, i=10, i=9, t1={2:0}] Now there is a data race, but we were unable to determine exactly which statements and variables are involved. There could be a race between one of the statements * C: a[i].datum++ [944] * C: a[i].datum++ [932] * C: a[i].datum++ [944] * C: a[i].datum++ [944] * C: a[i].datum++ [944] and C: a[i].datum++ [944] - UnprovableResult [Line: 944]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 942]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 932]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - UnprovableResult [Line: 932]: Unable to prove that there are no data races Unable to prove that there are no data races Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 144 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 5.9s, OverallIterations: 10, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 1.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 89, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 1142 NumberOfCodeBlocks, 1092 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1226 ConstructedInterpolants, 0 QuantifiedInterpolants, 2140 SizeOfPredicates, 22 NumberOfNonLiveVariables, 771 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 17 InterpolantComputations, 6 PerfectInterpolantSequences, 600/1123 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2022-02-16 09:42:55,054 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-02-16 09:42:55,267 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...